def _get_xarr(self, exog):
if data_util._is_structured_ndarray(exog):
exog = data_util.struct_to_ndarray(exog)
return np.asarray(exog)
def _get_yarr(self, endog):
if data_util._is_structured_ndarray(endog):
endog = data_util.struct_to_ndarray(endog)
return np.asarray(endog).squeeze()
